Video attachments from RSS feeds can't play in Chromium web browsers (Android) #30333
Labels
area/web interface
Related to the Mastodon web interface
bug
Something isn't working
status/to triage
This issue needs to be triaged
Steps to reproduce the problem
Expected behaviour
The video plays as expected
Actual behaviour
The video buffers for a second, after which the "corrupt file" icon appears on the overlay. The video doesn't play.
Detailed description
I am not a user of Mastodon, but I use the RSS feed capability to follow the activity of some profiles related to the Russo-Ukrainian war. I have them set up with the Inoreader app on Android. However, since the app doesn't support the playback of video attachments within the RSS posts, I have to tap the link to open them in my web browser, Opera. However, for some reason, it cannot play the video. The same issue occurs in Chrome, which shares the Chromium engine with Opera. Meanwhile, it plays properly in Firefox, which has its own engine. I can only conclude that the issue is between Mastodon and the Chromium engine on Android.
The videos play correctly if you view the posts on the web GUI of Mastodon. Also, videos of the same format (MP4) do play correctly on other websites. The issue really seems unique to the RSS feed from Mastodon.
Opera (Android)
Google Chrome (Android)
Firefox (Android)
Mastodon instance
mstdn.social
Mastodon version
v4.2.8
Browser name and version
Opera 82.2.4342.79505 / Chrome 124.0.6367.171
Operating system
Android 12
Technical details
No response
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